Home / 288,943.32-433,456.44-89,281.14

Finding the Fourth Proportional to 288,943.32, 433,456.44 and 89,281.14

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Solution

The fourth proportional to 288,943.32, 433,456.44 and 89,281.14 is: 133,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,943.32 : 433,456.44 = 89,281.14 : x
  2. Step 2: Convert to fraction form
    288,943.32/433,456.44 = 89,281.14/x
  3. Step 3: Cross multiply
    288,943.32x = 433,456.44 × 89,281.14
  4. Step 4: Simplify right side
    288,943.32x = 38,699,485,103.54
  5. Step 5: Solve for x
    x = 38,699,485,103.54/288,943.32
  6. Step 6: Final answer
    x = 133,934.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.